Math, asked by Palak11, 1 year ago

find:(4-1/n)+(7-2/n)+(10-3/n).....upto n terms

Answers

Answered by mrmVisveshwarya

2

(4-1/n) +(7-2/n)+(10-3/n)
3/n +5/n +7/n
3+5+7/n
n=15

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